Shocker help!!! it wont cycle all the way forward only about 5/8 ths of the way

Shocker help!!! it wont cycle all the way forward only about 5/8 ths of the way

so i just got done cleaning and lubing my shocker after a day of play and went to air it up and it wont cycle all the way it stops and recharges but i believe it must be a bad oring or something not lined up properly can anyone help and cuz i need this gun to be working